Which type of tissue produces movement?
A. Nervous tissue
O B. Epithelial tissue
O C. Connective tissue
O D. Muscle tissue

Eukaryotes have a range of structures, metabolic processes, types of motility, and mechanisms of reproduction that are characteristic of them.

Structurally, eukaryotes have a nucleus, cytoplasm, and various organelles, such as mitochondria and chloroplasts. Metabolic processes include photosynthesis, respiration, and the synthesis of proteins and lipids. Types of motility can include flagellum, pseudopodia, and cilia. Mechanisms of reproduction can include binary fission, budding, and sexual reproduction.

The traditional five-kingdom classification of all living organisms consists of Monera, Protista, Fungi, Plantae, and Animalia. The current evolutionary classification of eukaryotes includes six supergroups, which are Archaeplastida, Excavata, Rhizaria, Chromalveolata, Amoebozoa, and Opisthokonta.

Photosynthesis in eukaryotes is thought to have evolved from the endosymbiotic process in which an aerobic prokaryote was engulfed by a larger cell, eventually becoming the chloroplast. Evidence for this origin can be found in the structure and function of the chloroplast, as well as the presence of DNA within the chloroplast that is similar to the DNA of prokaryotes.

A phylogenetic map can be used to identify the structures, metabolic processes, types of motility, and mechanisms of reproduction that have evolved only once or repeatedly in the history of eukaryotes. Through phylogenetic analysis, it is possible to identify adaptations that have been lost, retained, or newly acquired.

Key adaptations that arose as early land plants evolved include the development of a protective cuticle and the development of specialized reproductive structures, such as seeds and flowers. There is evidence that suggests that land plants arose from a charophyte green algal ancestor, such as the shared presence of similar chloroplasts and cell wall components.

Phylogenetic maps can be used to draw conclusions about the evolution of plants or algae. For example, it can be seen that extant seedless plants include the phyla of mosses, liverworts, and hornworts. These seedless plants are important for many reasons, such as providing habitats for other organisms, serving as food sources for animals, and helping to maintain soil fertility.

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Answer:

false

because

The force of gravity causes all objects near Earths surface to fall with an acceleration of 20 m/s.

If both individuals are carriers of the deafness gene, their genotype is heterozygous (Dd), where D represents the dominant allele for normal hearing and d represents the recessive allele for deafness.

When they have offspring, the possible genotypes and phenotypes of their children can be determined using a Punnett square:

Each box in the Punnett square represents a possible genotype of the offspring. The percentage chance for each genotype can be determined by counting the number of boxes that have that genotype and dividing by the total number of boxes (which is 4 in this case).

So, the possible genotypes of the offspring are:

The possible phenotypes of the offspring are:

Therefore, the percent chance for each genotype and phenotype of the offspring is:

50% chance of being Dd (normal hearing carrier)

50% chance of being dd (deafness)

50% chance of having normal hearing

50% chance of being deaf

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Answer:

If Adenine is on one strand, thymine must be on the other strand.

Explanation:

(Thymine + Adenine) (TA) (AT)

(Cytosine + Guanine) (CG) (GC)

By measuring the population size over time and contrasting it with earlier population levels, the evolution of populations can be demonstrated.

Demography is the statistical study of populations and how they evolve through time. Population size, or the total number of people, and population density, or the number of people per unit of space or volume, are two crucial indicators of a population.

Many human activities such as overpopulation, pollution, the burning of fossil fuels, and deforestation have an adverse effect on the physical environment. Developments like this have led to soil erosion, poor air quality, climate change.

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Answer:

Seminiferous,Rete testis, Efferent ducts

Explanation:

Seminiferous tubules are coiled tubes that make up most of each testis. The cells and tissues in the tubules are responsible for spermatogenesis, which is the process of creating sperm.

After sperm is created in the seminiferous tubules, sperm cells travel toward the epididymis through the rete testis. The rete testis helps to mix sperm cells around in the fluid secreted by Sertoli cells. The body reabsorbs this fluid as sperm cells travel from the seminiferous tubules to the epididymis.

The efferent ducts are a series of tubes that join the rete testis to the epididymis. The epididymis stores sperm cells until they’re mature and ready for ejaculation.

Answer:

Blue

Explanation:

Light waves compress as an object is moving toward an observer, causing the light to shift to the blue end of the electromagnetic spectrum

This indicates that the distance between North America & Europe is increasing at a rate similar to how quickly your fingernails grow.

Fingernail issues are frequently brought on by trauma, infections, and skin conditions including eczema and psoriasis. Trauma, uncomfortable footwear, poor blood flow, inadequate nerve supply, and infection are all potential causes of toenail issues.

Some diabetic patients develop brittle nails with a yellowish tint. This is frequently connected to how sugar is metabolized and how it affects the collagen in toenails. This yellowing of the nails occasionally may be a sign of an infection.

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The high osmolarity allows urine to be concentrated in the kidneys. This high osmolarity is essential for maintaining the body's water balance. When the kidneys filter blood, they remove waste products and excess substances, including water, to form urine.

The process of concentrating urine involves the reabsorption of water from the filtrate back into the bloodstream. This occurs in the Loop of Henle, a part of the nephron in the kidney.

The high osmolarity in the surrounding medulla of the kidney creates a gradient that allows water to be reabsorbed from the filtrate.

This concentration process is regulated by the hormone ADH (antidiuretic hormone), which acts on the collecting ducts, making them more permeable to water. As a result, more water is reabsorbed, leading to the production of concentrated urine.

Overall, high osmolarity in the kidney helps to conserve water in the body and maintain proper hydration levels.

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The missing word that completes the sentence is "polymorphic."

Homo sapiens is divided into local populations that differ by one or more phenotypic traits. In other words, it is a polymorphic species.The human species is considered polymorphic since the variation in phenotypic traits or characters is observed among people.

This can be seen in the size, shape, and color of human skin, hair, and eyes. Polymorphism also exists in behavioral traits such as language, values, customs, and beliefs. This variety is due to genetic and environmental influences on the development and expression of human traits. Polymorphism is crucial in the survival of the human species because it allows adaptation to different environments.

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Answer:

The Digestive System

Explanation:

The digestive system of the human body is made up of several organs that work together to break down food so it can be used in the body. Similar organelles in the cell are endoplasmic reticulum, ribosomes, and the golgi body.

The untrue statements   concerning the checkpoints in the cell cycle is that  the first checkpoint is located in the s phase of interphase.

Option B is correct.

The cell cycle is  described as the series of events that take place in a cell that cause it to divide into two daughter cells.

There are three primary checkpoints in the cell cycle:

We know that the  first checkpoint is located in the G1 phase of interphase, and has the responsibility  that the cell has adequate resources to enter the S phase.

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Answer:

B. a group of different species

Explanation:

Diversity means to have variety. (In this case, a variety of species)

The specimen pictured lived in south africa, was discovered by raymond dart in 1925, and was approximately 3 years old at time of death that fossil/species is Australopithecus africanus.

When the skull of this 3-year-old child was discovered in 1924, it was one of the first early human fossils discovered in Africa and the first early human fossil discovery to garner significant attention to this area as the birthplace of the human family tree. But it still took more than 20 years for scientists to acknowledge Africa's significance as a key region in the history of human evolution.

Researchers initially observed signs of early human upright, two-legged (bipedal) walking in the preserved anatomy of the Taung Child. The location of the Taung Child's foramen magnum, or the opening through which the spinal cord and the brain are connected, served as proof.This spinal cord opening is located near the front of the Taung Child's skull, which is a feature connected to bipedal movement. The foramen magnum of a four-legged ape is located at the back of the head to keep its eyes forward (and not down) when it moves, in contrast to a bipedal adaption that allows the head to balance atop the neck.

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An abnormal mass of tissue that has little response to normal growth control mechanisms is described as a tumor.

A tumor is an abnormal mass of tissue that has little response to normal growth control mechanisms and continues to grow uncontrollably, expand, and exert pressure on surrounding structures.Tumors can be benign or malignant, and they can develop in any organ or tissue in the body.

Malignant tumors, also known as cancer, are invasive and can spread to other parts of the body, whereas benign tumors are noninvasive and do not spread to other parts of the body.

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An abnormal mass of tissue that has little response to normal growth control mechanisms is described as a tumor or neoplasm.

Sometimes, an abnormal mass of tissue forms when the cells grow and divide . Neoplasms can be benign or malignant (cancer). Benign neoplasms are the type that can grow on a larger extent but do not spread easily, or invade the nearby tissues or other parts of the human body.

Neoplasia is the process which occurs to form or produce a neoplasm. The growth of a neoplasm is always uncoordinated with that of  normal surrounding tissue. It persists in growing rapidly, continuously and abnormally, even when  the original trigger has been removed.

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The incorrect statement about the small intestine is: (d) it is about 4-5 feet long.

Small intestine is the long tube-like organ of the digestive system which performs most of the digestion. It is about 22 feet long and appears small because it present in a highly-coiled manner. The small intestine is divided into three parts: duodenum, jejunum and ileum.

Digestive system is the organ system of the human body which helps in the ingestion of food and then breaking it down into smaller absorbable parts. There are various organs in the digestive system: mouth, esophagus, stomach, small intestine, large intestine and the rectum.

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Answer: Whales have finger bones in their fins is the one that best illustrates how comparative anatomy supports the modern theory of evolution.

women and girls in India and other nearby countries where dowry is still prevalent. Dowry can put great financial burden on low income families. Often times, instead of being a gift, it more of a demand from bridegroom's family.

Dowry system can also lead to many unwanted situations

Answer:

Dowry system is one of the contributing factors toward social problems that effects women and girls in India and other nearby countries where dowry is still prevalent.  But however, families with low income or under the poverty line, dowry is a huge problem. Dowry can put great financial burden on low income families.

Answer:

1) Endothermic: warm-blooded

2.) Ectothermic: cold-blooded

Explanation:

HOMEOSTASIS is defined as the ability of an organism to maintain its internal environment. These organisms are capable of regulating it's internal environment and keeping it in a steady state by constantly adjusting any changes in the physical and chemical conditions of it's body fluids. These conditions include temperature, pH, osmotic pressure and concentration of dissolved substances in the body fluids such as carbondioxide, oxygen, urea and ions.

ENDOTHERMIC or warm-blooded organisms are capable of maintaining their body temperature through internally generated heat. For example during cold conditions, these organisms through homeostatic mechanism shivers to keep the internal temperature steady..Example of an endothermic organisms includes most birds and mammals.

Ectothermic or cold-blooded are organisms that relies on the external environment for the maintenance of their body temperature. For example during cold conditions instead of generating internal heat to maintain their body temperature, they seek for environments that favours their temperature. Examples include fishes, amphibians, reptiles, and invertebrates.

Answer:

Endothermic - warm-blooded

Ectothermic - cold-blooded

Explanation:

The best synonym for endothermic would be warm-blooded while that of ectothermic would be cold-blooded.

Warm-blooded creatures have the ability to maintain a relatively constant body temperature irrespective of the temperature of their environments. They do so by regulating their metabolic processes.

Cold-blooded creatures have their body temperature to be dependent on the temperature of their environment.

The correct answer to the multiple-choice question is that each parent contributes half the offspring's genetic material.

This means that the genetic material of a zygote is a combination of genetic information from both the mother and father. The zygote is formed when a sperm cell from the father fertilizes an egg cell from the mother, and the resulting zygote contains a complete set of 46 chromosomes, 23 from each parent. These chromosomes contain the genetic instructions that determine the traits and characteristics of the offspring. It's important to note that while each parent contributes an equal amount of genetic material, the combination of genes can result in a unique offspring with characteristics that are different from either parent. Overall, the genetic material of a zygote is a complex and fascinating topic that plays a crucial role in determining the traits and characteristics of the offspring.

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Answer:

Iris Diaphragm controls the amount of light reaching the specimen. It is located above the condenser and below the stage. Most high quality microscopes include an Abbe condenser with an iris diaphragm. Combined, they control both the focus and quantity of light applied to the specimen.

Explanation:

Answer:

The fine focusing knob (wheel) and the coarse focusing knob (wheel).

Explanation:

Thats it. Happy to help. Coarse focusing knob has more dramatic changes in focusing whereas fine focusing knob can focus the finer details. Helpful?

Answer:

Explanation:

Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.

Answer: no they are not living

Explanation: Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell.